A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5915-01-340-0650
NSN 6650-01-466-2704
NSN 6130-01-426-5095
NSN 6610-00-420-6826
NSN 5945-01-435-7148
NSN 5935-00-834-0585
NSN 6110-01-321-9126
NSN 5835-00-787-8122
NSN 6650-01-394-9234
NSN 6685-00-839-1106
NSN 6110-01-267-6514
NSN 5960-01-544-1273